placeholder for <h:selectOneMenu>

问题

I successfully done using placeholder in inputText but i tried this in selectOneMenu can't able to get . instead of martial status in selectOneMenu i want to use placeholder

or atleast i want to change martial status color

<h:selectOneMenu  value="">
<f:selectItem  itemValue="0" itemLabel="Marital status"/>
<f:selectItem itemValue="1" itemLabel="Single"/>
<f:selectItem itemValue="2" itemLabel="married"/>
</h:selectOneMenu>

回答1:

If I understood you right

JSF 1

<f:selectItem itemLabel="Select Something" itemValue="#{null}" />

JSF 2

<f:selectItem itemValue="Select Something" noSelectionOption="true" />

来源：https://stackoverflow.com/questions/13172775/placeholder-for-hselectonemenu